Electronic device shell



FIG. 1 is a back perspective view of an electronic device shell;

FIG. 2 is a back elevational view of the electronic device shell;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The dash-dot-dash broken line represents a boundary of the claimed design. The dash-dash broken lines depict unclaimed environment. The broken lines form no part of the claimed design. 

CLAIM We claim the ornamental design for an electronic device shell, as shown and described. 